[linux-cifs-client] [PATCH] F_GETLK request - returning value
Pavel Shilovsky
piastry at etersoft.ru
Thu Mar 26 12:41:18 GMT 2009
Hello!
I had problem with F_GETLK request in fcntl() function: it didn't return
info about exist lock, if it prevents our lock.
Here is my patch.
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 8f0f86d..aa26a3a 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1882,6 +1882,16 @@ CIFSSMBPosixLock(const int xid, struct
cifsTconInfo *tcon,
((char *)&pSMBr->hdr.Protocol + data_offset);
if (parm_data->lock_type == cpu_to_le16(CIFS_UNLCK))
pLockData->fl_type = F_UNLCK;
+ else {
+ if (parm_data->lock_type == cpu_to_le16(CIFS_RDLCK))
+ pLockData->fl_type = F_RDLCK;
+ else if (parm_data->lock_type ==
cpu_to_le16(CIFS_WRLCK))
+ pLockData->fl_type = F_WRLCK;
+
+ pLockData->fl_start = parm_data->start;
+ pLockData->fl_end = parm_data->start +
parm_data->length - 1;
+ pLockData->fl_pid = parm_data->pid;
+ }
}
plk_err_exit:
--
Best regards,
Pavel Shilovsky.
More information about the linux-cifs-client
mailing list